Invention Grant
- Patent Title: Electric motor
- Patent Title (中): 电动马达
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Application No.: US12247725Application Date: 2008-10-08
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Publication No.: US07834491B2Publication Date: 2010-11-16
- Inventor: Wen Jun Huan , Jian Wen Zhang , Wai Shing Ip
- Applicant: Wen Jun Huan , Jian Wen Zhang , Wai Shing Ip
- Applicant Address: CH La Chaux-de-Fonds
- Assignee: Johnson Electric S.A.
- Current Assignee: Johnson Electric S.A.
- Current Assignee Address: CH La Chaux-de-Fonds
- Agency: Muncy, Geissler, Olds & Lowe, PLLC
- Priority: CN200710170199 20071008
- Main IPC: H02K5/00
- IPC: H02K5/00

Abstract:
A small size permanent magnet direct current motor has a housing accommodating a permanent magnet stator and a wound rotor. The rotor has a rotor core with a diameter of 23 mm±3 mm and 12 poles and a cylindrical commutator. The motor has an output power of more than 25 watts.
Public/Granted literature
- US20090091211A1 ELECTRIC MOTOR Public/Granted day:2009-04-09
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